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DR. ANDREW PETER LIN M.D.
NPI 1689617565
Obstetrics & Gynecology in Fairfield, CA

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
1860 PENNSYLVANIA AVE, SUITE 300, FAIRFIELD, CA 94533(707) 646-4100(707) 646-4101 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Andrew Peter Lin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW PETER LIN M.D. (NPI 1689617565) is an individual obstetrics & gynecology provider in Fairfield, California, licensed in California (G80572) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1689617565
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ANDREW PETER LINCredential: M.D.
Location Address1860 PENNSYLVANIA AVE, SUITE 300Fairfield, CA 94533-3590
Mailing Address1860 Pennsylvania Ave, Suite 300Fairfield, CA 94533-3590 · (707) 646-4100 · Fax (707) 646-4101
Phone(707) 646-4100
Fax(707) 646-4101
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 14, 2006
Last NPPES UpdateFebruary 19, 2026
NPPES CertifiedFebruary 19, 2026
✔ NPI 1689617565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G80572
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1860 PENNSYLVANIA AVE, Fairfield, CA 94533
Open in Google Maps ↗

Other Identifiers 1

MedicaidFHC70125FCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Peter Lin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870689151
PECOS Enrollment IDI20071017000971
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Andrew Lin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northbay Healthcare Group
Same address
Addiction Medicine
1860 PENNSYLVANIA AVE STE 230
Fairfield, CA 94533
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
NPI 1780736736 (707) 646-4370
Northbay Health Medical Foundation
5.2 mi
Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group
NPI 1760283527 (707) 646-3110
Obhg California, P.C.
2,203 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services22 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
22 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services17 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94533 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DONALD R DOYLE MD INC A PROFESSIONAL CORP
Internal Medicine (Pulmonary Disease)
1860 PENNSYLVANIA AVE, SUITE 300B
FAIRFIELD, CA 94533
Solano County (707) 646-4180
ARNOLD JOSSELSON MD
Pathology (Forensic Pathology)
1860 PENNSYLVANIA AVE, STE #150
FAIRFIELD, CA 94533
Solano County (707) 426-4883
DR. RACHEL M. VILLALON MD
Obstetrics & Gynecology
1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533
Solano County (707) 646-4100
SHAHID UR REHMAN MD
Psychiatry & Neurology (Neurology)
1860 PENNSYLVANIA AVE, SUITE 210
FAIRFIELD, CA 94533
Solano County (707) 646-4191
DR. AMEER ALMULLAHASSANI MD
Psychiatry & Neurology (Neurology)
1860 PENNSYLVANIA AVE, SUITE 210
FAIRFIELD, CA 94533
Solano County (707) 646-4380
LAUREN WEBER D.O.
Family Medicine
1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533
Solano County (707) 646-4100
KENI A HORIUCHI R.N.
Clinical Nurse Specialist (Oncology)
1860 PENNSYLVANIA AVE, 230
FAIRFIELD, CA 94533
Solano County (707) 429-6989
FORENSIC MEDICAL GROUP, INC.
Pathology (Forensic Pathology)
1860 PENNSYLVANIA AVE, #150
FAIRFIELD, CA 94533
Solano County (707) 426-4883

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Lin's NPI number?

The NPI number for Andrew Lin is 1689617565. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Andrew Lin located?

Andrew Lin practices at 1860 Pennsylvania Ave Suite 300, Fairfield, CA 94533. The listed phone number is (707) 646-4100.

What is Andrew Lin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Andrew Lin enrolled in Medicare?

Yes. Andrew Lin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Andrew Lin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Lin reassigns Medicare benefits to 3 organizations: Northbay Healthcare Group (Fairfield, CA), Northbay Health Medical Foundation (Fairfield, CA) and Obhg California, P.C. (Greenville, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Lin was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.